Will the UK's Common Toads Survive from Roads and Terrible Decline?

It's Friday evening at half past seven, but rather than heading to the pub or watching a film, I've taken a train to a town in the countryside to join local helpers from a amphibian rescue group. These dedicated individuals sacrifice their nights to protect the native amphibian community.

An Alarming Decline in Numbers

The Bufo bufo is growing more rare. A latest research led by an amphibian and reptile charity revealed that the UK toad population have almost halved since 1985. Observing a creature that has been a fixture of the British countryside in decrease is described as "worrying" by experts. Toads "don't require very particular environments" and "ought to live successfully in most of areas in Britain," so if even they are struggling to persist, "it indicates that the ecosystem is unbalanced."

Toad populations across the UK have declined by almost 50% since the 1980s

The Danger from Roads

Though the research didn't cover the causes for the drop, cars certainly plays a part. Estimates indicate that 20 tonnes of toads are killed on British roads annually – that is, hundreds of thousands. Unlike frogs, which might be content to mate "with just a small container," toads prefer large ponds. Their ability to stay out of water for longer than frogs allows they can journey farther to reach them – often hundreds of metres. They tend to stick to their ancestral migration routes – it's typical for mature amphibians to return to their natal pond to mate.

Migration Habits

Fittingly, the first toads start their journey for a mate around February 14th, but some move as late as April, until it gets night and moving through the night. During that time, toads begin migrating from where they have been overwintering "almost simultaneously."

A local helper, who grew up in the region and has been working to save its amphibians since he was a boy, explains that "Their sole purpose: to go and mate." If their path crosses a street, they could all get run over, and that breeding season would be lost – stopping a new generation of toads from being born.

Toad Patrols Across the UK

Finding hundreds of toad carcasses on local roads "inherently strikes a chord with people," and has led to the formation of toad patrols across the UK – hundreds of organizations are currently registered with a countrywide program. These groups pick up toads and transport them across roads in buckets, as well as counting the quantity of toads they encounter and lobbying for other safety solutions, such as road closures and amphibian passages.

Volunteers usually work during the migration season, when amphibian movements are more regular. However, this means they can miss groups of toadlets, which, having been spawn and then tadpoles, leave their water habitats over an irregular timetable in late summer. Because of their size – just one or two centimetres wide – "they can get obliterated by car traffic." And as being hit "essentially crushes them," it's more difficult to collect information on them. At least when adult toads are lost, their carcasses can be counted.

Annual Work

Unlike many groups, a specific volunteer group, who are in their eighth year of functioning, go out throughout the year – not every night, but whenever conditions are warm and wet, or if someone has reported about a toad sighting in their messaging app. When I request to accompany them on duty, they admit it is "not ideal conditions" – toad hibernation season has begun and it's been a dry day – but a few of the helpers willingly accept to walk up and down their area with me and see what we can find. "If anyone can locate any toads tonight, those two will spot one," says the patrol manager, pointing to her teenage child and the experienced member. After for 120 minutes without a single toad sighting, and now they have scaled a wire barrier to check under some wood.

Family Participation

The mother and son joined the group a while back. The youngster adores all things nature-related and has an goal to become a environmentalist, so his parent started to search for activities they could do jointly to help local wildlife. Now she enjoys it as much as he does, the middle-aged entrepreneur explains – so when the team was looking for a new manager recently, she decided to step up.

The youth, too, has been instrumental in the organization. A video he created, imploring the municipal authority to block a street through a protected area during migration season, swung the decision the team's way. After a twelve months of campaigning, the authority approved an "restricted access" rule between evening and morning from late winter through to spring. Most drivers duly avoided the route.

Additional Species and Challenges

A few cars go by when I'm out on duty and we discover some victims as a result – no toads, but several crushed salamanders. We spot one live amphibian as well, and the teenager is particularly pleased to see a harvestman, which moves in his palms. Yet in spite of the team's hardest attempts to let me see a toad, the native community has clearly settled down for the colder months. It appears that I couldn't have found any better success elsewhere in the country – all the rescue teams I contact explain that it's near-impossible at this season.

This team anticipates assisting around ten thousand mature toads over the street

One email I get from a different helper, who has generously made the effort to look for toads in a famous site, considered the biggest tracked toad group in the UK, arrives in my inbox with the subject line: "No toads." However, in late winter, he informs me, the team expects to help approximately ten thousand adult toads across the road.

Effectiveness and Limitations

What level of impact can these groups actually make? "The fact that people are performing this regularly on cold, damp and unpleasant evenings is quite extraordinary," notes an expert. "This effort that very much deserves recognition." However, while rescue teams are able to slow the decline, they cannot prevent it entirely – not least because vehicles is not the only threat.

Other Dangers

The global warming has meant extended spells of drought, which create the wrong conditions for some of the animals that toads consume, such as worms and slugs, while warmer ponds have led to an increase of toxic plants, which can be toxic to toads. Milder winters also cause toads to emerge from their dormancy more often, disrupting the energy conservation vital to their life cycle. Loss of environment – especially the loss of large ponds – is an additional threat.

Researchers are "always a bit worried about overemphasizing practical benefits on biodiversity," but "There is a big value in just their presence." But toads do have an significant part in the food chain, eating pretty much any small creatures or small animals they can swallow and in turn feeding a number of predators, such as hedgehogs and otters. Enhancing situations for toads – such as building water habitats, conserving woodland and installing amphibian passages – "we'll improve them for a wide range of additional wildlife."

Cultural Significance

An additional motive to work to preserve toads present is their "historical significance," notes an specialist. Myths and folklore around toads go back {centuries|hundred

Ashley Marquez
Ashley Marquez

A tech journalist with a passion for exploring emerging technologies and their impact on society.